// @vitest-environment happy-dom

import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'

const target = { latitude: 22.604321, longitude: 114.058765, name: '停车场 A&B', address: '龙华区 #1' }
const setEmbeddedRuntime = () => Object.assign(window, { __wxjs_environment: 'miniprogram' })

const loadService = async () => {
  vi.resetModules()
  return import('@/services/WechatMiniProgramBridgeService')
}

beforeEach(() => {
  vi.useFakeTimers()
  vi.stubGlobal('uni', { showToast: vi.fn() })
  delete (window as Window & { wx?: unknown }).wx
  delete (window as Window & { __wxjs_environment?: string }).__wxjs_environment
  window.history.replaceState({}, '', '/')
})

afterEach(() => {
  vi.useRealTimers()
  vi.unstubAllGlobals()
  document.querySelectorAll('script[data-wechat-js-sdk="true"]').forEach((node) => node.remove())
})

describe('微信小程序 web-view 桥接', () => {
  it('普通浏览器立即返回 not-embedded，不加载 SDK', async () => {
    const { openWechatMiniProgramLocation } = await loadService()
    await expect(openWechatMiniProgramLocation(target)).resolves.toEqual({ status: 'not-embedded' })
    expect(document.querySelector('[data-wechat-js-sdk="true"]')).toBeNull()
  })

  it('等待延迟注入的 bridge 后导航到编码后的宿主页', async () => {
    setEmbeddedRuntime()
    const { openWechatMiniProgramLocation } = await loadService()
    const result = openWechatMiniProgramLocation(target)
    await vi.advanceTimersByTimeAsync(100)
    const navigateTo = vi.fn(({ success }) => success())
    Object.assign(window, { wx: { miniProgram: { getEnv: (done: (value: { miniprogram: boolean }) => void) => done({ miniprogram: true }), navigateTo } } })
    await vi.advanceTimersByTimeAsync(100)

    await expect(result).resolves.toEqual({ status: 'opened' })
    expect(navigateTo).toHaveBeenCalledWith(expect.objectContaining({
      url: expect.stringContaining('/pages/open-location/index?latitude=22.604321&longitude=114.058765&name=%E5%81%9C%E8%BD%A6%E5%9C%BA%20A%26B')
    }))
  })

  it('handles getEnv false, navigate fail, page not found, and callback timeout', async () => {
    setEmbeddedRuntime()
    const { openWechatMiniProgramLocation } = await loadService()
    Object.assign(window, { wx: { miniProgram: { getEnv: (done: (value: { miniprogram: boolean }) => void) => done({ miniprogram: false }), navigateTo: vi.fn() } } })
    await expect(openWechatMiniProgramLocation(target)).resolves.toEqual({ status: 'failed', reason: 'not-in-mini-program' })

    Object.assign(window, { wx: { miniProgram: { getEnv: (done: (value: { miniprogram: boolean }) => void) => done({ miniprogram: true }) } } })
    await expect(openWechatMiniProgramLocation(target)).resolves.toEqual({ status: 'failed', reason: 'bridge-unavailable' })

    Object.assign(window, { wx: { miniProgram: { getEnv: (done: (value: { miniprogram: boolean }) => void) => done({ miniprogram: true }), navigateTo: vi.fn(({ fail }) => fail({ errMsg: 'navigateTo:fail permission denied' })) } } })
    await expect(openWechatMiniProgramLocation(target)).resolves.toEqual({ status: 'failed', reason: 'navigation-failed' })

    const navigateTo = vi.fn(({ fail }) => fail({ errMsg: 'navigateTo:fail page not found' }))
    Object.assign(window, { wx: { miniProgram: { getEnv: (done: (value: { miniprogram: boolean }) => void) => done({ miniprogram: true }), navigateTo } } })
    await expect(openWechatMiniProgramLocation(target)).resolves.toEqual({ status: 'failed', reason: 'page-not-found' })

    Object.assign(window, { wx: { miniProgram: { getEnv: (done: (value: { miniprogram: boolean }) => void) => done({ miniprogram: true }), navigateTo: vi.fn() } } })
    const timeoutResult = openWechatMiniProgramLocation(target)
    await vi.advanceTimersByTimeAsync(3001)
    await expect(timeoutResult).resolves.toEqual({ status: 'failed', reason: 'timeout' })
  })

  it('deduplicates rapid calls while navigation is in flight', async () => {
    setEmbeddedRuntime()
    const { openWechatMiniProgramLocation } = await loadService()
    let succeed: (() => void) | undefined
    const navigateTo = vi.fn(({ success }) => { succeed = success })
    Object.assign(window, { wx: { miniProgram: { getEnv: (done: (value: { miniprogram: boolean }) => void) => done({ miniprogram: true }), navigateTo } } })
    const first = openWechatMiniProgramLocation(target)
    expect(openWechatMiniProgramLocation(target)).toBe(first)
    await Promise.resolve()
    await Promise.resolve()
    await Promise.resolve()
    expect(navigateTo).toHaveBeenCalledTimes(1)
    succeed?.()
    await expect(first).resolves.toEqual({ status: 'opened' })
    expect(navigateTo).toHaveBeenCalledTimes(1)
  })
})